Home / 1,691,721.56-2,334,545.27-956,664.54

Finding the Fourth Proportional to 1,691,721.56, 2,334,545.27 and 956,664.54

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Solution

The fourth proportional to 1,691,721.56, 2,334,545.27 and 956,664.54 is: 1,320,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,721.56 : 2,334,545.27 = 956,664.54 : x
  2. Step 2: Convert to fraction form
    1,691,721.56/2,334,545.27 = 956,664.54/x
  3. Step 3: Cross multiply
    1,691,721.56x = 2,334,545.27 × 956,664.54
  4. Step 4: Simplify right side
    1,691,721.56x = 2,233,376,668,479.65
  5. Step 5: Solve for x
    x = 2,233,376,668,479.65/1,691,721.56
  6. Step 6: Final answer
    x = 1,320,179.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.